Several spells of showers will occur in Eastern and Uva provinces and in Polonnaruwa and Matale districts.Showers may occur at a few places in Sabaragamuwa and Western provinces and in Galle, Matara, Kandy and Nuwara-Eliya districts in the afternoon or night.Wind speed can be increased up to 50 kmph at times over the island particularly in Eastern, North-western provinces and in Hambanthota and Monaragala districts.